./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:55,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:55,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:55,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:55,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:55,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:55,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:55,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:55,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:55,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:55,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:55,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:55,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:55,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:55,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:55,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:55,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:55,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:55,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:55,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:55,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:55,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:55,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:55,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:55,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:55,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:55,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:55,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:55,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:55,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:55,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:55,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:55,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:55,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:55,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:55,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:55,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:55,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:55,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:55,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:55,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:55,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:49:55,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:55,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:55,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:55,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:55,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:55,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:55,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:49:55,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:55,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:55,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:55,365 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:49:55,365 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:49:55,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:49:55,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:55,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:55,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:55,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:55,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:55,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:55,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:55,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:55,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:55,368 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:55,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:55,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 [2022-10-17 16:49:55,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:55,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:55,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:55,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:55,747 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:55,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext/tree_dsw.i [2022-10-17 16:49:55,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/data/95f87eee6/0d9d3c8a4ebc40b4bec1e0c5c0424243/FLAG6841b1327 [2022-10-17 16:49:56,318 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:56,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/sv-benchmarks/c/memsafety-ext/tree_dsw.i [2022-10-17 16:49:56,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/data/95f87eee6/0d9d3c8a4ebc40b4bec1e0c5c0424243/FLAG6841b1327 [2022-10-17 16:49:56,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/data/95f87eee6/0d9d3c8a4ebc40b4bec1e0c5c0424243 [2022-10-17 16:49:56,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:56,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:56,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:56,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:56,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:56,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195c17a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56, skipping insertion in model container [2022-10-17 16:49:56,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:56,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:57,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:57,143 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:57,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:57,219 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:57,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57 WrapperNode [2022-10-17 16:49:57,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:57,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:57,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:57,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:57,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,275 INFO L138 Inliner]: procedures = 124, calls = 52, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 168 [2022-10-17 16:49:57,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:57,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:57,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:57,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:57,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:57,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:57,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:57,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:57,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:57" (1/1) ... [2022-10-17 16:49:57,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:57,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:57,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:57,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64713482-78e2-43bb-9d7e-0acd80f038b5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:49:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:49:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:49:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:57,597 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:57,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:58,388 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:58,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:58,480 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:49:58,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:58 BoogieIcfgContainer [2022-10-17 16:49:58,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:58,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:58,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:58,515 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:58,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:58" (1/1) ... [2022-10-17 16:49:58,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 135 states and 147 transitions. [2022-10-17 16:49:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2022-10-17 16:49:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:49:58,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 134 states and 146 transitions. [2022-10-17 16:49:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2022-10-17 16:49:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:49:58,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2022-10-17 16:49:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2022-10-17 16:49:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:59,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 132 states and 144 transitions. [2022-10-17 16:49:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2022-10-17 16:49:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:59,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2022-10-17 16:49:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2022-10-17 16:49:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:59,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 134 states and 149 transitions. [2022-10-17 16:49:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2022-10-17 16:49:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:59,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 137 states and 157 transitions. [2022-10-17 16:50:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2022-10-17 16:50:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:00,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 140 states and 163 transitions. [2022-10-17 16:50:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2022-10-17 16:50:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:00,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 143 states and 169 transitions. [2022-10-17 16:50:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 169 transitions. [2022-10-17 16:50:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:00,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 178 transitions. [2022-10-17 16:50:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2022-10-17 16:50:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:01,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2022-10-17 16:50:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2022-10-17 16:50:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:01,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 148 states and 183 transitions. [2022-10-17 16:50:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-10-17 16:50:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:01,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2022-10-17 16:50:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2022-10-17 16:50:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:01,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 148 states and 183 transitions. [2022-10-17 16:50:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-10-17 16:50:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:02,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2022-10-17 16:50:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2022-10-17 16:50:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:02,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2022-10-17 16:50:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-10-17 16:50:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:03,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2022-10-17 16:50:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2022-10-17 16:50:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:03,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2022-10-17 16:50:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-10-17 16:50:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:03,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 152 states and 189 transitions. [2022-10-17 16:50:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 189 transitions. [2022-10-17 16:50:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:03,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2022-10-17 16:50:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-10-17 16:50:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:03,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2022-10-17 16:50:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2022-10-17 16:50:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:04,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2022-10-17 16:50:04,167 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2022-10-17 16:50:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:04,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 154 states and 193 transitions. [2022-10-17 16:50:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 193 transitions. [2022-10-17 16:50:04,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:04,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 155 states and 195 transitions. [2022-10-17 16:50:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 195 transitions. [2022-10-17 16:50:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:05,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2022-10-17 16:50:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2022-10-17 16:50:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:05,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 159 states and 202 transitions. [2022-10-17 16:50:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2022-10-17 16:50:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:05,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 158 states and 201 transitions. [2022-10-17 16:50:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2022-10-17 16:50:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:05,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 166 states and 221 transitions. [2022-10-17 16:50:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 221 transitions. [2022-10-17 16:50:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:07,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 224 transitions. [2022-10-17 16:50:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 224 transitions. [2022-10-17 16:50:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:08,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 170 states and 227 transitions. [2022-10-17 16:50:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 227 transitions. [2022-10-17 16:50:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:10,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 169 states and 226 transitions. [2022-10-17 16:50:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 226 transitions. [2022-10-17 16:50:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:10,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 232 transitions. [2022-10-17 16:50:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 232 transitions. [2022-10-17 16:50:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:11,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 174 states and 237 transitions. [2022-10-17 16:50:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 237 transitions. [2022-10-17 16:50:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:14,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 175 states and 238 transitions. [2022-10-17 16:50:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2022-10-17 16:50:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:14,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 176 states and 238 transitions. [2022-10-17 16:50:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2022-10-17 16:50:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:16,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 177 states and 240 transitions. [2022-10-17 16:50:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2022-10-17 16:50:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:16,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:16,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 178 states and 241 transitions. [2022-10-17 16:50:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2022-10-17 16:50:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:17,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 179 states and 244 transitions. [2022-10-17 16:50:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2022-10-17 16:50:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:17,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 179 states and 243 transitions. [2022-10-17 16:50:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2022-10-17 16:50:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:17,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 250 transitions. [2022-10-17 16:50:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 250 transitions. [2022-10-17 16:50:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:19,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 185 states and 256 transitions. [2022-10-17 16:50:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2022-10-17 16:50:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:22,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 187 states and 260 transitions. [2022-10-17 16:50:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 260 transitions. [2022-10-17 16:50:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:50:23,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.